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Full motherboard recap?

General discussions or ideas about hardware.
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exxos
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Re: Full motherboard recap?

Post by exxos »

fenarinarsa wrote: Mon Nov 16, 2020 5:22 pm
Steve wrote: Mon Nov 16, 2020 10:51 am I have a theory it is to do with the RF modulator circuitry causing the interference. But it is just a hunch.
Okay, I'll let you know as soon as I do the patch. I only have RGB STEs without RF modulators so we'll see :)
I suspect the RF circuit is snubbing noise on the signals.. So when its missing, noise is worse..

Normally there are some 33pf caps on all the RGB lines etc.. they are normally right next to the RGB connector.. if they are not there ( I dont think the STE ever had them) .. fit some.. It may well help.


(STFM)

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fenarinarsa
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Re: Full motherboard recap?

Post by fenarinarsa »

Indeed...

For my information, what are the Lxxx components?
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exxos
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Re: Full motherboard recap?

Post by exxos »

fenarinarsa wrote: Tue Nov 17, 2020 11:47 pm For my information, what are the Lxxx components?
They are just filters.. a lot of ST's don't even have them fitted.
Plagued
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Re: Full motherboard recap?

Post by Plagued »

If you're planning on doing your falcon, I have an almost full set of caps from doing mine a few months back as most caps had a minimum order over the qty needed and where it didn't I bought a few extra so I could have a spare set if anyone needed them. I bought exxos 4,700 Axial cap kit but the rest are decent panasonic ones.... however there's some low value film caps that I couldn't bring myself to use, as despite the fact I could have MADE them fit, they were so much bigger, so I dug about for some electrolytic and used them instead. There's some pics in my thread in this forum.
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